Integrated Fuel-Bleed Control for Low-Latency Engine Coordination
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Solution Overview
Problem
Contemporary fuel and bleed system controllers in aircraft operate separately with limited information exchange, leading to performance issues and data latency, affecting engine and bleed system efficiency.
Innovation Solution
An integrated fuel and bleed system control architecture with a unified controller that communicates with multiple aircraft systems, predicting fuel requirements and optimizing engine operations to enhance efficiency and performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If separate fuel system controller and bleed system controller are used, then device complexity is reduced, but information exchange is limited and data latency occurs
Solution Approach 1:
The patent combines separate fuel system controller and bleed system controller into a single integrated controller. This unified controller receives inputs from both systems and coordinates their operations, enabling full information exchange between fuel and bleed systems while eliminating data latency caused by separate controller architectures.
2Device complexity
If separate fuel system controller and bleed system controller are used, then device complexity is reduced, but engine performance and bleed system performance deteriorate
Solution Approach 1:
The integrated controller unifies fuel system control and bleed system control into a single coordination mechanism. This enables real-time optimization of engine performance by considering both fuel requirements and bleed air demands simultaneously, eliminating the performance limitations imposed by separate controllers that cannot fully coordinate their operations.
3Loss of information
If integrated fuel and bleed system controller is used, then information exchange is improved and data latency is reduced, but device complexity increases
Solution Approach 1:
The integrated controller performs multiple functions within a single device: it controls fuel system operations, manages bleed system operations, and coordinates between these systems. By consolidating these previously separate control functions into one multi-functional controller, the system achieves complete information exchange while the complexity increase is offset by eliminating redundant controller components and their interconnections.
4Ease of manufacture
If separate fuel system controller and bleed system controller are used, then ease of manufacture is improved, but data latency issues occur
Solution Approach 1:
The patent merges separate fuel system controller and bleed system controller into a single integrated controller that processes all control signals and sensor inputs in real-time. This eliminates the time delays inherent in separate controller architectures where data must be exchanged between controllers, ensuring immediate response to system changes while maintaining manufacturability through a unified control platform.
Data Source
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AI summary
A fuel and bleed controller is provided. The fuel and bleed controller (110) includes a processor (111) and a memory (113). The memory stores program instructions thereon. The program instructions are executable by the processor to cause the fuel and bleed controller to send status requests to systems of the aircraft. The systems comprise a bleed system and bleed user controllers. The program instructions are further executable by the processor to cause the fuel and bleed controller to receive status responses from the systems of the aircraft and determine fuel requirements based on the status responses in advance of operational needs by the systems of the aircraft. The program instructions are further executable by the processor to cause the fuel and bleed controller to control engines of the aircraft based on the fuel requirements.